Without delay, let's solve this. We've got 28 and we will be multiplying it by 45, that is, adding 28 to itself 45 times.
Step 1: 0 + 28 = 28
Step 2: 28 + 28 = 56
Step 3: 56 + 28 = 84
Step 4: 84 + 28 = 112
Step 5: 112 + 28 = 140
Step 6: 140 + 28 = 168
Step 7: 168 + 28 = 196
Step 8: 196 + 28 = 224
Step 9: 224 + 28 = 252
Step 10: 252 + 28 = 280
Step 11: 280 + 28 = 308
Step 12: 308 + 28 = 336
Step 13: 336 + 28 = 364
Step 14: 364 + 28 = 392
Step 15: 392 + 28 = 420
Step 16: 420 + 28 = 448
Step 17: 448 + 28 = 476
Step 18: 476 + 28 = 504
Step 19: 504 + 28 = 532
Step 20: 532 + 28 = 560
Step 21: 560 + 28 = 588
Step 22: 588 + 28 = 616
Step 23: 616 + 28 = 644
Step 24: 644 + 28 = 672
Step 25: 672 + 28 = 700
Step 26: 700 + 28 = 728
Step 27: 728 + 28 = 756
Step 28: 756 + 28 = 784
Step 29: 784 + 28 = 812
Step 30: 812 + 28 = 840
Step 31: 840 + 28 = 868
Step 32: 868 + 28 = 896
Step 33: 896 + 28 = 924
Step 34: 924 + 28 = 952
Step 35: 952 + 28 = 980
Step 36: 980 + 28 = 1008
Step 37: 1008 + 28 = 1036
Step 38: 1036 + 28 = 1064
Step 39: 1064 + 28 = 1092
Step 40: 1092 + 28 = 1120
Step 41: 1120 + 28 = 1148
Step 42: 1148 + 28 = 1176
Step 43: 1176 + 28 = 1204
Step 44: 1204 + 28 = 1232
Step 45: 1232 + 28 = 1260

So, 28*45 = 1260